(build_pointer_type_for_mode): Fix comments and whitespace.

From-SVN: r79293
This commit is contained in:
Richard Kenner 2004-03-10 21:57:49 -05:00
parent 4f5b645ac7
commit 20475e78e4

View File

@ -3792,7 +3792,8 @@ build_pointer_type_for_mode (tree to_type, enum machine_mode mode)
{
tree t = TYPE_POINTER_TO (to_type);
/* First, if we already have a type for pointers to TO_TYPE, use it. */
/* First, if we already have a type for pointers to TO_TYPE and it's
the proper mode, use it. */
if (t != 0 && mode == ptr_mode)
return t;
@ -3801,13 +3802,13 @@ build_pointer_type_for_mode (tree to_type, enum machine_mode mode)
TREE_TYPE (t) = to_type;
TYPE_MODE (t) = mode;
/* Record this type as the pointer to TO_TYPE. */
/* We can only record one type as "the" pointer to TO_TYPE. We choose to
record the pointer whose mode is ptr_mode. */
if (mode == ptr_mode)
TYPE_POINTER_TO (to_type) = t;
/* Lay out the type. This function has many callers that are concerned
with expression-construction, and this simplifies them all.
Also, it guarantees the TYPE_SIZE is in the same obstack as the type. */
with expression-construction, and this simplifies them all. */
layout_type (t);
return t;